What is a group of organs with a unique collective function called?
a. Organ system
b. Organelle
c. Organism

Answer:

The main functions of polysaccharides in plants are :-

C. Provide support and energy

Hope it helps!

Answer:

The answer is C.

C. Provide support and energy

Explanation:

Answer:

a cell wall

Explanation:

Evolution is the modification of heritable traits. The change in the earth's surface is directly linked to evolution as the formation of the species, abiotic factors, and gases happened due to changes.

Evolution is the adaptation and survival of the modified organism due to changes in favorable environmental conditions. It is an important factor governed by natural selection.

The evolution and the change in the earth's surface are interconnected as the changes in the earth's crust made the presence of the living beings possible. The conditions at early times were unfavorable that underwent many changes till the present scenario.

The atmosphere and crust were unfavorable for the living beings that got changed and improved with oxygen quality, water, and the crust for the organism to exist, survive and reproduce to continue their lineage.

Therefore, evolution is linked to changing the earth's surface.

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Answer: The definition of concave is to be curved inward. ... At the location of the fracture, we see the skull is curved inward, so we would say the skull is concave. Some other examples would be a dented can or car bumper. Whenever an object is curved inward, we say the object is concave.

Answer:

poison maybe sorry if it's wrong I'm not an expert of this question

Recognizing a cat's whiskers touching your face as belonging to your cat: Perception

Recognizing a 'stinky' odor as being your roommate's dirty laundry: Perception. Perception is the interpretation and understanding of sensory information to form our subjective experience of the world.

Detecting sound waves from your friend's voice by the hair cells of your ear: Sensation. Sensation refers to the process of detecting and experiencing sensory stimuli through our sensory organs and nervous system.

Food molecules in your favorite food being detected by sensory receptors on your tongue: Sensation

Light waves being detected by photoreceptors in your retina: Sensation

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Science is the use of evidence to construct testable explanations and predictions of natural phenomena, as well as, the knowledge generated through the process.

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Central nervous system includes brain and spinal cord. Peripheral nervous system includes autonomic nervous system and somatic nervous system.

Nervous system consists of electrically excitable cell called neurons and collection of nerves that transmit information in the body.

Nervous system is mainly divided into two parts - PNS (peripheral nervous system) and Central nervous system (CNS) . The CNS  of the body consists of spinal cord and brain that regulates and coordinates all the functions of the body.

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Answer:

Plastic is made of raw materials like coal, cellulose, natural gas, oil or plants, etc

Chemically it contains elements such as carbon, hydrogen, oxygen, nitrogen, chlorine, and sulfur. Plastics consist of polymer chains, which are just large molecules that are made up of many identical small particles that are strung together like a chain.

Answer:Plants absorb sunlight and turn that energy into food once put together the process is known as photosynthesis.

Explanation:

Green plants and other organisms use sunlight put together with carbon dioxide and water to make food. Plant photosynthesis produces oxygen from chlorophyll.

Photosynthesis is a process that plants and other organisms utilize to transform the energy from light into chemical energy. This chemical energy can then be used to fuel the activities of the organism through a process called cellular respiration.

 Sunlight, water, and oxygen are necessary components, and the reaction that takes place is a combination of two distinct processes, one of which is light-dependent and the other of which is light-independent.

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Ribosomes: used in translation, made of two RNA protein subunits, can attach to the endoplasmic reticulum, RNA polymerase II: found in the nucleus, reads DNA sequences to make mRNA, and Both: have protein components.

Eukaryotic DNA is converted into RNA molecules, which may eventually leave the nucleus instead of doing so completely. Some RNAs regulate the production of proteins at ribosomes, which are cytoplasmic organelles. (Other RNAs in the cell perform biological tasks including regulating gene activity or serving as ribosome structural elements.) Nucleoplasm, a gel-like substance found inside the nucleus, is where chromatin is stored. The majority of an organism's DNA is found in one or more chromosomes, each of which is a very long string or loop of DNA. Many different types of genes can be found on a single chromosome.

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pine trees, redwoods, and conifers belong in gymnosperms plant group.

The gymnosperms are a clade of seed-producing crops that involves conifers, cycads, Ginkgo, and gnetophytes. They form the clade Gymnospermae, and the living members of this clade are known as Acrogymnospermae. The term gymnosperm is derived from the Greek compound word o, which literally means "nked seeds."

Gymnosperms are a small class of plants that do not flower and produce "nked seeds." This implies that the seeds are generated on the reproductive structure's surface rather than within it, as in fruit.

Conifers (pines, cypresses, and relatives) are by far the most numerous group of living gymnosperms, followed by cycads, gnetophytes (Gnetum, Ephedra, and Welwitschia), and Ginkgo biloba (a single living species). Gymnosperms are dioecious in about 65% of cases, but conifers are mostly entirely monoecious.

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If you are a paleontologist in Africa working on Pliocene age deposits and you find hominid bones with the features of being bipedal, having a brain size similar to that of a chimpanzee, and relatively large teeth, you likely found the remains of an early member of the human family tree.

During the Pliocene, the human family tree consisted of a number of different species, including Ardipithecus, Australopithecus, and Paranthropus. These species were characterized by a number of unique features, including bipedalism, relatively small brains, and large teeth.

The species you found is likely an early member of the human family tree, as it exhibits many of the key characteristics that define the group. It is likely that this species lived in the forests and woodlands of Africa, and it likely spent much of its time on the ground, using its strong arms and grasping hands to manipulate objects and food.

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Answer: Stem cells differentiate because differentiation leads to the commitment of a cell to developmental lineages and the acquisition of specific functions of committed cells depending upon the tissue in which they will finally reside.

The answers to the questions are as follows:

Question 1:

Response: B speciation

Question 2:

Response: A gene flow

Question 3:

Response: B speciation by geographic isolation

Geographic isolation plays a significant role in shaping the evolution of species. Let's address each question individually:

Question 1:

Geographic isolation may result in:

Response: B speciation

Geographic isolation refers to the physical separation of populations of organisms due to geographical barriers such as mountains, rivers, or islands. When populations become isolated from each other, they experience different environmental conditions and selective pressures. Over time, these distinct environments can lead to genetic and phenotypic differences between the isolated populations. This divergence in characteristics can eventually result in the formation of new species, a process known as speciation. Therefore, option B, speciation, is the correct response.

Question 2:

Geographic isolation causes a reduction in ____, eventually resulting in dissimilarities in a once-similar population of organisms.

Response: A gene flow

Geographic isolation restricts or limits the movement of individuals between different populations. This restriction reduces the gene flow, which is the transfer of genetic material between populations. Gene flow is an important mechanism for maintaining genetic diversity and homogeneity within a population. When gene flow is reduced, isolated populations experience different genetic changes and accumulate genetic variations independently. Over time, these genetic differences can lead to dissimilarities in once-similar populations.

Question 3:

Allopatric speciation is another name for:

Response: B speciation by geographic isolation.

Allopatric speciation refers to the process of speciation that occurs when populations are geographically isolated from each other. The term "allopatric" means "different homeland." In this form of speciation, the physical separation of populations by a geographical barrier prevents gene flow between them. As a result, the isolated populations undergo independent evolutionary changes, leading to the formation of new species. Therefore, option B, speciation by geographic isolation, is the correct response.

In summary, geographic isolation can lead to speciation (Question 1), it reduces gene flow (Question 2), and the process of speciation by geographic isolation is known as allopatric speciation (Question 3).

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Answer:

insects

myriapods

arachnids

crustaceans

D . outlining a peace treaty between the French and English

Option A: Animals release carbon dioxide and water vapor as a by-product of cellular respiration.

Carbon dioxide and water are the byproducts of cellular respiration. These products are dispersed into the environment, where they affect the carbon and water cycles. Wherever carbon is delivered dissolved or suspended in flowing water, the two cycles directly interact.

Animals have a significant impact on the carbon and water cycles. Cellular respiration is the process by which animals obtain their energy. The process by which the food we eat is broken down and energy is turned into adenosine triphosphate is known as cellular respiration. In addition to this, animals use oxygen to perform cellular respiration and release carbon dioxide and water in to the environment as a by-product of this mechanism.

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Answer:

D. histology

Explanation:

The study of normal tissue structure is called Medical Histology.

The physical and biological changes of puberty result from changes that occur in the endocrine system and reproductive system.

The endocrine system is responsible for the release of hormones, which regulate growth and development, metabolism, and other physiological processes. During puberty, the hypothalamus in the brain signals the pituitary gland to release hormones that stimulate the gonads (ovaries in females, testes in males) to produce sex hormones, such as estrogen and testosterone.

These sex hormones are responsible for the physical changes that occur during puberty, including the development of secondary sexual characteristics, such as breast development in females, and the growth of body and facial hair in males.

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Answer:

Photosynthetic activity.

Explanation:

The photosynthetic activity of the plant was being investigated in the experiment and no photosynthesis will occur because the aluminium foil reflect 95% of sunlight. Starch test is the food test that was carried out in the experiment. Starch from plants is broken down into its constituent sugar molecules by the plant body in order to provide energy to the tissues so if there is no photosynthesis occurs, the plant body uses starch so decrease occur in the concentration of the starch molecules when the starch food test will occur.

I love this question!(mainly because it is about astronomy lol)

Our solar system formed from a cloud of gas and dust, called a nebula. there are many satellites orbiting our Sun, but there are eight considered to be the main planetesimals that make up our solar system. A protoplanet is a hypothetical eddy in a whirling cloud of gas and dust that later becomes a planet. The asteroids Ceres, Pallas, and Vesta are believed to be protoplanets. Gravity keeps objects like moons and asteroids close to planets. This is called a gravitational pull.

Oceans face challenges such as pollution, overfishing, climate change, habitat destruction, invasive species, noise pollution, and a lack of marine protected areas.

These issues harm marine life, disrupt ecosystems, and impact human livelihoods. Pollution, including plastics and chemical contaminants, degrades water quality. Overfishing depletes fish stocks and disrupts marine ecosystems. Climate change leads to rising temperatures, ocean acidification, and sea-level rise, affecting marine life and habitats.

Habitat destruction, invasive species, and noise pollution further harm marine ecosystems. The establishment of well-managed marine protected areas is crucial. Addressing these challenges requires global cooperation, sustainable practices, and conservation efforts.

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Answer:

Pretty sure it is: CTAATGT

I would appreciate some verification but im 75% sure

Explanation:

Answer: Water cannot/is slower to be gradually soaked into it's soil in built environments with large unregulated soils, but rushes the environment, transporting toxins and ecological sewage into our rivers, killing fish, animals and possibly even us. 

Answer:

Hello! The answer is A, proteins.

Explanation:

Chromosomes are a part of our human DNA, and they contain cells inside of them. That being said, Proteins can be the only answer. I hope I helped!

Answer:

mercury

venus

earth

mars

jupiter

saturn

uranus

neptune

Explanation:

pls tell me if wrong

Sensory neuron

Hope this helps :))

The sensory neuron is the root of the spinal cord is receiving this information.

When 'You have touched a hot stove. Your nervous system is sensing this heat' then a reflex action is occur.

Therefore , the feeling of heat is carried out to the spinal cord by the sensory neuron.

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Answer:

mallard ducks I think so

Answer:

D.

Explanation:

Galapagos tortoises have been and continue to be threatened by predation and habitat destruction from invasive species, and increasing human